Headey — who wanted to focus on her performance and emotional life as opposed to worrying about her nudity — did the entire walk wearing clothes, only to have the crew backtrack and do it a second time with a naked body double.

CGI tied it all together, giving us the finished (naked) product that wasn't just Headey!

Now, we are learning Stern took some personal offense to that! Jim McBride, the founder of movie nudity chronicling site MrSkin.com, told reporters of Stern's reaction when he found out it wasn't Headey's body he saw on screen:

Well, that topless one night stand is what everyone wants to know about! When asked about filming it, J. Lo explained:

"It was intense. Those scenes are embarrassing. They are uncomfortable, but your job as an actress or an actor is to make it believable and this movie in particular…hinges on if that was believable, that it was enough to make this guy go insane."